EP0832790B1 - Dispositif de fixation pour un module de sac gonflable - Google Patents

Dispositif de fixation pour un module de sac gonflable Download PDF

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Publication number
EP0832790B1
EP0832790B1 EP97114835A EP97114835A EP0832790B1 EP 0832790 B1 EP0832790 B1 EP 0832790B1 EP 97114835 A EP97114835 A EP 97114835A EP 97114835 A EP97114835 A EP 97114835A EP 0832790 B1 EP0832790 B1 EP 0832790B1
Authority
EP
European Patent Office
Prior art keywords
bolt
gas bag
bag module
steering wheel
webs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97114835A
Other languages
German (de)
English (en)
Other versions
EP0832790A3 (fr
EP0832790A2 (fr
Inventor
Anton Fischer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Automotive Germany GmbH
Original Assignee
TRW Automotive GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TRW Automotive GmbH filed Critical TRW Automotive GmbH
Publication of EP0832790A2 publication Critical patent/EP0832790A2/fr
Publication of EP0832790A3 publication Critical patent/EP0832790A3/fr
Application granted granted Critical
Publication of EP0832790B1 publication Critical patent/EP0832790B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/203—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns
    • B60R21/2035—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns using modules containing inflator, bag and cover attachable to the steering wheel as a complete sub-unit

Definitions

  • the invention relates to a device for attaching an airbag module to a vehicle part, in particular to a steering wheel hub, according to the preamble of claim 1.
  • a fastening device is known from EP 0 488 618 A1.
  • the invention provides a device for fastening a Airbag module on a vehicle part, which is fast, efficient and safe Assembly enables.
  • the device is characterized in that the webs on which the screw head is supported at their free end have a laterally projecting nose on the side facing the screw head, under which the screw head moves when the screw is screwed in. This creates a positive connection of the vehicle part with the gas bag module, which is not in a fully tightened or if the screw loosens as before.
  • device according to the invention to the vehicle manufacturer with a preassembled fastening screw are supplied, which at the Assembly does not have to feed separate screws.
  • the pre-assembled Screw protrudes laterally from the gas bag module and there is enough space for Assembly devices are available, the pre-assembly done automatically.
  • To assemble the gas bag module it only has to the vehicle part be placed so that the screw shaft is pushed between the webs of the holding part, and then the screw is screwed in until it aligns with the Screw head is supported on the holding part and the housing of the gas bag module presses on the holding part. From the vehicle manufacturers to the suppliers prescribed maximum assembly times for the supplied Airbag modules can be made easier by the device according to the invention be respected.
  • the drawing shows one perspective view of an airbag module and a steering wheel hub, the be connected to each other by a device according to the invention.
  • an airbag module 1 that comprises a gas generator 3 and a gas bag 5, the module 1 is enclosed by a cover 7.
  • Module 1 also includes a trough-like housing 9 made of sheet metal. Stand from the outer edge of the housing 9 several tabs 11, of which only two are shown, from the side, wherein the tabs 11 are integrally connected to the housing 9. The ends 13 of the lobes are angled downwards.
  • a recess 14 in each Tab 11 allows insertion of one with side grooves provided nut 15 in the part of the recess 14 which is in the Range of end 13 extends. The edges of each recess 14 protrude into the grooves of the nuts 15, which thereby rotate on the housing 9 are attached.
  • In each nut 15 is a screw 17 from the outside screwed a few threads deep into a self-tapping thread.
  • a steering wheel 21, of which only the skeleton is shown, has in the The area of the steering wheel hub has a plurality of holding parts 23 molded onto it.
  • the holding parts 23 are approximately at right angles to the top Top of the steering wheel hub and each have a free end, that splits into two webs 25, 27.
  • the space between the webs 25, 27 is slightly wider than the diameter of the Screws 17.
  • the webs 25 and 27 each have at their free end a nose 29 or 31 projecting laterally outwards.
  • the laterally projecting tabs 11 have the advantage that they can bend slightly and thus when tightening the screws 17 slight length tolerances between the lobes 11 on the one hand and compensate the holding parts 23 on the other hand.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
  • Steering Controls (AREA)

Claims (5)

  1. Système de fixation d'un module de coussin à gaz (1) sur une partie de véhicule, en particulier sur le moyen d'un volant de direction, la partie de véhicule présentant au moins une pièce de maintien (23) en saillie, avec une extrémité fendue pour se diviser en deux barrettes (25, 27), et le boítier (9) du module de coussin à gaz (1) présentant au moins une vis (17) susceptible d'être montée au préalable, qui est vissée latéralement dans le boítier ou dans une pièce reliée à celui-ci, vis dont la tige vient en prise entre les barrettes (25, 27) lors de la pose du module de coussin à gaz (1) sur la partie du véhicule et qui, lors du vissage (17) consécutif, prend appui par sa tête de vis sur la pièce de maintien (23), caractérisé en ce que les barrettes présentent à leur extrémité libre, du côté qui est tourné vers la tête de vis, un ergot (29, 31) faisant saillie latéralement et sous lequel se déplace la tête de la vis (17) lorsqu'on visse celle-ci et qui relie ainsi le module de coussin à gaz (1) par coopération de formes à la partie de véhicule.
  2. Système selon la revendication 1, caractérisé en ce que le boítier (9) du module de coussin à gaz (1) présente au moins une patte (11) coudée qui se dresse latéralement et dans l'extrémité (13) coudée de laquelle est vissée la vis (17) montée au préalable, ou est fixée sur cette extrémité.
  3. Système selon la revendication 2, caractérisé en ce qu'à l'extrémité (13) coudée de la patte (11) est prévu un évidement (14) en forme de rainure dans lequel peut être introduit un écrou (15) ayant des rainures latérales et destiné à recevoir la vis (17).
  4. Système selon l'une des revendications précédentes, caractérisé en ce que la vis (17) présente un filetage autotaraudeur ou un filetage autorainureur.
  5. Système selon l'une des revendications précédentes pour fixer le module de coussin à gaz (1) sur un moyeu de volant de direction, caractérisé en ce que plusieurs pièces de maintien (23) se dressent approximativement en angle droit à partir de la surface extérieure du moyeu de volant de direction et sont formées sur le squelette du volant de direction.
EP97114835A 1996-09-27 1997-08-27 Dispositif de fixation pour un module de sac gonflable Expired - Lifetime EP0832790B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29616891U DE29616891U1 (de) 1996-09-27 1996-09-27 Einrichtung zum Befestigen eines Gassackmoduls
DE29616891U 1996-09-27

Publications (3)

Publication Number Publication Date
EP0832790A2 EP0832790A2 (fr) 1998-04-01
EP0832790A3 EP0832790A3 (fr) 2000-08-30
EP0832790B1 true EP0832790B1 (fr) 2004-10-06

Family

ID=8029855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97114835A Expired - Lifetime EP0832790B1 (fr) 1996-09-27 1997-08-27 Dispositif de fixation pour un module de sac gonflable

Country Status (6)

Country Link
US (1) US5975560A (fr)
EP (1) EP0832790B1 (fr)
JP (1) JPH10100842A (fr)
KR (1) KR19980024834A (fr)
DE (2) DE29616891U1 (fr)
ES (1) ES2117602T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19720587A1 (de) * 1997-05-16 1998-11-19 Porsche Ag Seitenaufprallschutzeinrichtung für einen Insassen eines Fahrzeuges
US6568702B1 (en) 2000-02-04 2003-05-27 Breed Automotive Technology, Inc. No housing driver's air bag module
US6412812B1 (en) * 2001-03-08 2002-07-02 Breed Automotive Technology, Inc. Driver side air bag module
GB2383301A (en) * 2001-12-18 2003-06-25 Autoliv Dev Air bag unit with locating means
DE102011118090B4 (de) 2011-11-10 2015-08-06 Autoliv Development Ab Lenkradeinheit
DE102015005281A1 (de) * 2015-04-24 2016-10-27 Autoliv Development Ab Lenkradeinheit für ein Kraftfahrzeug
US9783147B2 (en) * 2015-08-18 2017-10-10 Key Safety Systems, Inc. Driver air bag with snap-in attachment mechanism

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5310218A (en) * 1990-11-27 1994-05-10 Mazda Motor Corporation Steering wheel structure for vehicle
JPH0818560B2 (ja) * 1991-05-29 1996-02-28 日本プラスト株式会社 ステアリングホイールのホーンスイッチ装置
DE69219996T2 (de) * 1991-10-28 1998-01-08 Toyoda Gosei Kk Lenkrad mit einbegriffener Luftsackeinheit
JP3114395B2 (ja) * 1992-10-30 2000-12-04 タカタ株式会社 エアバッグ装置のインフレータ取付構造
JP3275658B2 (ja) * 1995-10-11 2002-04-15 豊田合成株式会社 ステアリングホイールの取付構造
US5603524A (en) * 1995-12-01 1997-02-18 General Motors Corporation Releasable fastener for air bag deployment cover
US5741024A (en) * 1996-05-31 1998-04-21 Morton International, Inc. Airbag module cover attachment and method of attaching a module cover to an airbag module

Also Published As

Publication number Publication date
US5975560A (en) 1999-11-02
DE29616891U1 (de) 1997-01-30
DE59711989D1 (de) 2004-11-11
ES2117602T3 (es) 2005-05-01
ES2117602T1 (es) 1998-08-16
KR19980024834A (ko) 1998-07-06
EP0832790A3 (fr) 2000-08-30
EP0832790A2 (fr) 1998-04-01
JPH10100842A (ja) 1998-04-21

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